Absent the proof that a nascent soul and spirit are not in the conceptus, why would you assume they are not there and destroy a newly conceived life? ... And just to be clear here, a malformed conceptus can have a nascent soul and spirit, so assuming a flawed conceptus does not just isn't reasonable for a Christian person. To set aside God's providence for selfish reasons is not prudent.
Why would say that I'd do that? I don't do that and I hate abortion. I'm just saying what I think and nothing more.